The Frame2.0 Filter 3-Pack is the ultimate filter kit for quadcopter and filming outside the GoPro housing. Included in this kit are Polarizer Filter, 2-Stop neutral density filter, and a 3-Stop neutral density filter. These filters not only improve image quality they also protect your GoPro lens while outside of the housing. These filters were designed to be extremely low profile and ultra-light, weighing only 6.7 grams which is perfect for most gimbals.